Home / 3,115.85-4,674.57-1,035.87

Finding the Fourth Proportional to 3,115.85, 4,674.57 and 1,035.87

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Solution

The fourth proportional to 3,115.85, 4,674.57 and 1,035.87 is: 1,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.85 : 4,674.57 = 1,035.87 : x
  2. Step 2: Convert to fraction form
    3,115.85/4,674.57 = 1,035.87/x
  3. Step 3: Cross multiply
    3,115.85x = 4,674.57 × 1,035.87
  4. Step 4: Simplify right side
    3,115.85x = 4,842,240.00
  5. Step 5: Solve for x
    x = 4,842,240.00/3,115.85
  6. Step 6: Final answer
    x = 1,554.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.